two debates between president obama and mitt romney. >> in terms of thursday's debate, did the president's performance at all during that make the vp debate more vitticcal? critical? >> increased pressure on joe biden. for democrats to get in a very good performance and you ent up looking, paul rye sn a very well-spoken person, although this is going to be his first debate on a stage like this. joe biden has done this many times before. he actually might have a little advantage. as we all know sometimes joe biden is saying things that actually draw attention. so i do think that this is going to be a must-see debate for the country, and, of course, the obama campaign is hoping for a little better performance. >> very gracious way to talk about things that the vice president said in the past. mark murray, thank you very much. >> thanks, alex. >>> in this week's office politic, christy todd whitman, first to defeat an uncome bent governor in an election. today new jersey's only female governor. talks chris christie and her role about bringing a very famous dog to the white house. first we tal